public void finish() throws IOException {
if (contexts.length == 0) {
return;
}
int currentContext = 0;
int currentDocBase = 0;
int nextDocBase =
currentContext + 1 < contexts.length ? contexts[currentContext + 1].docBase : maxDoc;
leafDelegate = delegate.getLeafCollector(contexts[currentContext]);
DummyScorer dummy = new DummyScorer();
leafDelegate.setScorer(dummy);
DocIdSetIterator it =
new BitSetIterator(fieldValueCollapse.getCollapsedSet(), 0); // cost is not useful here
int docId = -1;
int nullScoreIndex = 0;
float[] scores = fieldValueCollapse.getScores();
FloatArrayList nullScores = fieldValueCollapse.getNullScores();
float nullScore = fieldValueCollapse.getNullScore();
while ((docId = it.nextDoc()) != DocIdSetIterator.NO_MORE_DOCS) {
if (this.needsScores) {
int ord = values.getOrd(docId);
if (ord > -1) {
dummy.score = scores[ord];
} else if (boostDocs != null && boostDocs.containsKey(docId)) {
// It's an elevated doc so no score is needed
dummy.score = 0F;
} else if (nullPolicy == CollapsingPostFilter.NULL_POLICY_COLLAPSE) {
dummy.score = nullScore;
} else if (nullPolicy == CollapsingPostFilter.NULL_POLICY_EXPAND) {
dummy.score = nullScores.get(nullScoreIndex++);
}
}
while (docId >= nextDocBase) {
currentContext++;
currentDocBase = contexts[currentContext].docBase;
nextDocBase =
currentContext + 1 < contexts.length ? contexts[currentContext + 1].docBase : maxDoc;
leafDelegate = delegate.getLeafCollector(contexts[currentContext]);
leafDelegate.setScorer(dummy);
}
int contextDoc = docId - currentDocBase;
dummy.docId = contextDoc;
leafDelegate.collect(contextDoc);
}
if (delegate instanceof DelegatingCollector) {
((DelegatingCollector) delegate).finish();
}
}
@Override
public void collect(int docId) throws IOException {
int globalDoc = docId + this.docBase;
int ord = values.getOrd(globalDoc);
if (ord > -1) {
float score = scorer.score();
if (score > scores[ord]) {
ords[ord] = globalDoc;
scores[ord] = score;
}
} else if (this.collapsedSet.get(globalDoc)) {
// The doc is elevated so score does not matter
// We just want to be sure it doesn't fall into the null policy
} else if (nullPolicy == CollapsingPostFilter.NULL_POLICY_COLLAPSE) {
float score = scorer.score();
if (score > nullScore) {
nullScore = score;
nullDoc = globalDoc;
}
} else if (nullPolicy == CollapsingPostFilter.NULL_POLICY_EXPAND) {
collapsedSet.set(globalDoc);
nullScores.add(scorer.score());
}
}
@Override
public void finish() throws IOException {
if (contexts.length == 0) {
return;
}
if (nullScore > 0) {
this.collapsedSet.set(nullDoc);
}
if (this.boostOrds != null) {
for (int i = 0; i < this.boostOrds.length; i++) {
ords[boostOrds[i]] = -1;
}
}
for (int i = 0; i < ords.length; i++) {
int doc = ords[i];
if (doc > -1) {
collapsedSet.set(doc);
}
}
int currentContext = 0;
int currentDocBase = 0;
int nextDocBase =
currentContext + 1 < contexts.length ? contexts[currentContext + 1].docBase : maxDoc;
leafDelegate = delegate.getLeafCollector(contexts[currentContext]);
DummyScorer dummy = new DummyScorer();
leafDelegate.setScorer(dummy);
DocIdSetIterator it = new BitSetIterator(collapsedSet, 0L); // cost is not useful here
int docId = -1;
int nullScoreIndex = 0;
while ((docId = it.nextDoc()) != DocIdSetIterator.NO_MORE_DOCS) {
int ord = values.getOrd(docId);
if (ord > -1) {
dummy.score = scores[ord];
} else if (this.boostDocs != null && boostDocs.containsKey(docId)) {
// Elevated docs don't need a score.
dummy.score = 0F;
} else if (nullPolicy == CollapsingPostFilter.NULL_POLICY_COLLAPSE) {
dummy.score = nullScore;
} else if (nullPolicy == CollapsingPostFilter.NULL_POLICY_EXPAND) {
dummy.score = nullScores.get(nullScoreIndex++);
}
while (docId >= nextDocBase) {
currentContext++;
currentDocBase = contexts[currentContext].docBase;
nextDocBase =
currentContext + 1 < contexts.length ? contexts[currentContext + 1].docBase : maxDoc;
leafDelegate = delegate.getLeafCollector(contexts[currentContext]);
leafDelegate.setScorer(dummy);
}
int contextDoc = docId - currentDocBase;
dummy.docId = contextDoc;
leafDelegate.collect(contextDoc);
}
if (delegate instanceof DelegatingCollector) {
((DelegatingCollector) delegate).finish();
}
}
public static void sort(FloatArrayList list) {
sort(list.buffer, list.size());
}
public static void sortAndDedup(FloatArrayList list) {
list.elementsCount = sortAndDedup(list.buffer, list.elementsCount);
}
@Test
public void testRandom() throws Exception {
Directory directory = newDirectory();
final Random r = random();
final IndexWriterConfig iwc =
LuceneTestCase.newIndexWriterConfig(r, new MockAnalyzer(r))
.setMaxBufferedDocs(IndexWriterConfig.DISABLE_AUTO_FLUSH)
.setRAMBufferSizeMB(
scaledRandomIntBetween(16, 64)); // we might index a lot - don't go crazy here
RandomIndexWriter indexWriter = new RandomIndexWriter(r, directory, iwc);
int numUniqueChildValues = scaledRandomIntBetween(100, 2000);
String[] childValues = new String[numUniqueChildValues];
for (int i = 0; i < numUniqueChildValues; i++) {
childValues[i] = Integer.toString(i);
}
IntOpenHashSet filteredOrDeletedDocs = new IntOpenHashSet();
int childDocId = 0;
int numParentDocs = scaledRandomIntBetween(1, numUniqueChildValues);
ObjectObjectOpenHashMap<String, NavigableMap<String, FloatArrayList>> childValueToParentIds =
new ObjectObjectOpenHashMap<>();
for (int parentDocId = 0; parentDocId < numParentDocs; parentDocId++) {
boolean markParentAsDeleted = rarely();
boolean filterMe = rarely();
String parent = Integer.toString(parentDocId);
Document document = new Document();
document.add(
new StringField(UidFieldMapper.NAME, Uid.createUid("parent", parent), Field.Store.YES));
document.add(new StringField(TypeFieldMapper.NAME, "parent", Field.Store.NO));
if (markParentAsDeleted) {
filteredOrDeletedDocs.add(parentDocId);
document.add(new StringField("delete", "me", Field.Store.NO));
}
if (filterMe) {
filteredOrDeletedDocs.add(parentDocId);
document.add(new StringField("filter", "me", Field.Store.NO));
}
indexWriter.addDocument(document);
int numChildDocs = scaledRandomIntBetween(0, 100);
for (int i = 0; i < numChildDocs; i++) {
boolean markChildAsDeleted = rarely();
String childValue = childValues[random().nextInt(childValues.length)];
document = new Document();
document.add(
new StringField(
UidFieldMapper.NAME,
Uid.createUid("child", Integer.toString(childDocId++)),
Field.Store.NO));
document.add(new StringField(TypeFieldMapper.NAME, "child", Field.Store.NO));
document.add(
new StringField(
ParentFieldMapper.NAME, Uid.createUid("parent", parent), Field.Store.NO));
document.add(new StringField("field1", childValue, Field.Store.NO));
if (markChildAsDeleted) {
document.add(new StringField("delete", "me", Field.Store.NO));
}
indexWriter.addDocument(document);
if (!markChildAsDeleted) {
NavigableMap<String, FloatArrayList> parentIdToChildScores;
if (childValueToParentIds.containsKey(childValue)) {
parentIdToChildScores = childValueToParentIds.lget();
} else {
childValueToParentIds.put(childValue, parentIdToChildScores = new TreeMap<>());
}
if (!markParentAsDeleted && !filterMe) {
FloatArrayList childScores = parentIdToChildScores.get(parent);
if (childScores == null) {
parentIdToChildScores.put(parent, childScores = new FloatArrayList());
}
childScores.add(1f);
}
}
}
}
// Delete docs that are marked to be deleted.
indexWriter.deleteDocuments(new Term("delete", "me"));
indexWriter.commit();
IndexReader indexReader = DirectoryReader.open(directory);
IndexSearcher searcher = new IndexSearcher(indexReader);
Engine.Searcher engineSearcher =
new Engine.Searcher(ChildrenQueryTests.class.getSimpleName(), searcher);
((TestSearchContext) SearchContext.current())
.setSearcher(new ContextIndexSearcher(SearchContext.current(), engineSearcher));
int max = numUniqueChildValues / 4;
for (int i = 0; i < max; i++) {
// Simulate a parent update
if (random().nextBoolean()) {
final int numberOfUpdatableParents = numParentDocs - filteredOrDeletedDocs.size();
int numberOfUpdates =
RandomInts.randomIntBetween(
random(), 0, Math.min(numberOfUpdatableParents, TEST_NIGHTLY ? 25 : 5));
for (int j = 0; j < numberOfUpdates; j++) {
int parentId;
do {
parentId = random().nextInt(numParentDocs);
} while (filteredOrDeletedDocs.contains(parentId));
String parentUid = Uid.createUid("parent", Integer.toString(parentId));
indexWriter.deleteDocuments(new Term(UidFieldMapper.NAME, parentUid));
Document document = new Document();
document.add(new StringField(UidFieldMapper.NAME, parentUid, Field.Store.YES));
document.add(new StringField(TypeFieldMapper.NAME, "parent", Field.Store.NO));
indexWriter.addDocument(document);
}
indexReader.close();
indexReader = DirectoryReader.open(indexWriter.w, true);
searcher = new IndexSearcher(indexReader);
engineSearcher =
new Engine.Searcher(ChildrenConstantScoreQueryTests.class.getSimpleName(), searcher);
((TestSearchContext) SearchContext.current())
.setSearcher(new ContextIndexSearcher(SearchContext.current(), engineSearcher));
}
String childValue = childValues[random().nextInt(numUniqueChildValues)];
int shortCircuitParentDocSet = random().nextInt(numParentDocs);
ScoreType scoreType = ScoreType.values()[random().nextInt(ScoreType.values().length)];
// leave min/max set to 0 half the time
int minChildren = random().nextInt(2) * scaledRandomIntBetween(0, 110);
int maxChildren = random().nextInt(2) * scaledRandomIntBetween(minChildren, 110);
QueryBuilder queryBuilder =
hasChildQuery("child", constantScoreQuery(termQuery("field1", childValue)))
.scoreType(scoreType.name().toLowerCase(Locale.ENGLISH))
.minChildren(minChildren)
.maxChildren(maxChildren)
.setShortCircuitCutoff(shortCircuitParentDocSet);
// Using a FQ, will invoke / test the Scorer#advance(..) and also let the Weight#scorer not
// get live docs as acceptedDocs
queryBuilder = filteredQuery(queryBuilder, notFilter(termFilter("filter", "me")));
Query query = parseQuery(queryBuilder);
BitSetCollector collector = new BitSetCollector(indexReader.maxDoc());
int numHits = 1 + random().nextInt(25);
TopScoreDocCollector actualTopDocsCollector = TopScoreDocCollector.create(numHits);
searcher.search(query, MultiCollector.wrap(collector, actualTopDocsCollector));
FixedBitSet actualResult = collector.getResult();
FixedBitSet expectedResult = new FixedBitSet(indexReader.maxDoc());
TopScoreDocCollector expectedTopDocsCollector = TopScoreDocCollector.create(numHits);
if (childValueToParentIds.containsKey(childValue)) {
LeafReader slowLeafReader = SlowCompositeReaderWrapper.wrap(indexReader);
final FloatArrayList[] scores = new FloatArrayList[slowLeafReader.maxDoc()];
Terms terms = slowLeafReader.terms(UidFieldMapper.NAME);
if (terms != null) {
NavigableMap<String, FloatArrayList> parentIdToChildScores = childValueToParentIds.lget();
TermsEnum termsEnum = terms.iterator(null);
DocsEnum docsEnum = null;
for (Map.Entry<String, FloatArrayList> entry : parentIdToChildScores.entrySet()) {
int count = entry.getValue().elementsCount;
if (count >= minChildren && (maxChildren == 0 || count <= maxChildren)) {
TermsEnum.SeekStatus seekStatus =
termsEnum.seekCeil(Uid.createUidAsBytes("parent", entry.getKey()));
if (seekStatus == TermsEnum.SeekStatus.FOUND) {
docsEnum =
termsEnum.docs(slowLeafReader.getLiveDocs(), docsEnum, DocsEnum.FLAG_NONE);
expectedResult.set(docsEnum.nextDoc());
scores[docsEnum.docID()] = new FloatArrayList(entry.getValue());
} else if (seekStatus == TermsEnum.SeekStatus.END) {
break;
}
}
}
}
MockScorer mockScorer = new MockScorer(scoreType);
final LeafCollector leafCollector =
expectedTopDocsCollector.getLeafCollector(slowLeafReader.getContext());
leafCollector.setScorer(mockScorer);
for (int doc = expectedResult.nextSetBit(0);
doc < slowLeafReader.maxDoc();
doc =
doc + 1 >= expectedResult.length()
? DocIdSetIterator.NO_MORE_DOCS
: expectedResult.nextSetBit(doc + 1)) {
mockScorer.scores = scores[doc];
leafCollector.collect(doc);
}
}
assertBitSet(actualResult, expectedResult, searcher);
assertTopDocs(actualTopDocsCollector.topDocs(), expectedTopDocsCollector.topDocs());
}
indexWriter.close();
indexReader.close();
directory.close();
}
@Test
public void testRandom() throws Exception {
Directory directory = newDirectory();
RandomIndexWriter indexWriter = new RandomIndexWriter(random(), directory);
int numUniqueChildValues = 1 + random().nextInt(TEST_NIGHTLY ? 6000 : 600);
String[] childValues = new String[numUniqueChildValues];
for (int i = 0; i < numUniqueChildValues; i++) {
childValues[i] = Integer.toString(i);
}
int childDocId = 0;
int numParentDocs = 1 + random().nextInt(TEST_NIGHTLY ? 20000 : 1000);
ObjectObjectOpenHashMap<String, NavigableMap<String, FloatArrayList>> childValueToParentIds =
new ObjectObjectOpenHashMap<String, NavigableMap<String, FloatArrayList>>();
for (int parentDocId = 0; parentDocId < numParentDocs; parentDocId++) {
boolean markParentAsDeleted = rarely();
String parent = Integer.toString(parentDocId);
Document document = new Document();
document.add(
new StringField(UidFieldMapper.NAME, Uid.createUid("parent", parent), Field.Store.YES));
document.add(new StringField(TypeFieldMapper.NAME, "parent", Field.Store.NO));
if (markParentAsDeleted) {
document.add(new StringField("delete", "me", Field.Store.NO));
}
indexWriter.addDocument(document);
int numChildDocs = random().nextInt(TEST_NIGHTLY ? 100 : 25);
for (int i = 0; i < numChildDocs; i++) {
boolean markChildAsDeleted = rarely();
String childValue = childValues[random().nextInt(childValues.length)];
document = new Document();
document.add(
new StringField(
UidFieldMapper.NAME,
Uid.createUid("child", Integer.toString(childDocId)),
Field.Store.NO));
document.add(new StringField(TypeFieldMapper.NAME, "child", Field.Store.NO));
document.add(
new StringField(
ParentFieldMapper.NAME, Uid.createUid("parent", parent), Field.Store.NO));
document.add(new StringField("field1", childValue, Field.Store.NO));
if (markChildAsDeleted) {
document.add(new StringField("delete", "me", Field.Store.NO));
}
indexWriter.addDocument(document);
if (!markChildAsDeleted) {
NavigableMap<String, FloatArrayList> parentIdToChildScores;
if (childValueToParentIds.containsKey(childValue)) {
parentIdToChildScores = childValueToParentIds.lget();
} else {
childValueToParentIds.put(
childValue, parentIdToChildScores = new TreeMap<String, FloatArrayList>());
}
if (!markParentAsDeleted) {
FloatArrayList childScores = parentIdToChildScores.get(parent);
if (childScores == null) {
parentIdToChildScores.put(parent, childScores = new FloatArrayList());
}
childScores.add(1f);
}
}
}
}
// Delete docs that are marked to be deleted.
indexWriter.deleteDocuments(new Term("delete", "me"));
indexWriter.close();
IndexReader indexReader = DirectoryReader.open(directory);
IndexSearcher searcher = new IndexSearcher(indexReader);
Engine.Searcher engineSearcher =
new Engine.SimpleSearcher(ChildrenQueryTests.class.getSimpleName(), searcher);
((TestSearchContext) SearchContext.current())
.setSearcher(new ContextIndexSearcher(SearchContext.current(), engineSearcher));
TermFilter parentFilter = new TermFilter(new Term(TypeFieldMapper.NAME, "parent"));
for (String childValue : childValues) {
Query childQuery = new ConstantScoreQuery(new TermQuery(new Term("field1", childValue)));
int shortCircuitParentDocSet = random().nextInt(numParentDocs);
ScoreType scoreType = ScoreType.values()[random().nextInt(ScoreType.values().length)];
Query query =
new ChildrenQuery(
"parent", "child", parentFilter, childQuery, scoreType, shortCircuitParentDocSet);
BitSetCollector collector = new BitSetCollector(indexReader.maxDoc());
int numHits = 1 + random().nextInt(25);
TopScoreDocCollector actualTopDocsCollector = TopScoreDocCollector.create(numHits, false);
searcher.search(query, MultiCollector.wrap(collector, actualTopDocsCollector));
FixedBitSet actualResult = collector.getResult();
FixedBitSet expectedResult = new FixedBitSet(indexReader.maxDoc());
MockScorer mockScorer = new MockScorer(scoreType);
TopScoreDocCollector expectedTopDocsCollector = TopScoreDocCollector.create(numHits, false);
expectedTopDocsCollector.setScorer(mockScorer);
if (childValueToParentIds.containsKey(childValue)) {
AtomicReader slowAtomicReader = SlowCompositeReaderWrapper.wrap(indexReader);
Terms terms = slowAtomicReader.terms(UidFieldMapper.NAME);
if (terms != null) {
NavigableMap<String, FloatArrayList> parentIdToChildScores = childValueToParentIds.lget();
TermsEnum termsEnum = terms.iterator(null);
DocsEnum docsEnum = null;
for (Map.Entry<String, FloatArrayList> entry : parentIdToChildScores.entrySet()) {
TermsEnum.SeekStatus seekStatus =
termsEnum.seekCeil(Uid.createUidAsBytes("parent", entry.getKey()));
if (seekStatus == TermsEnum.SeekStatus.FOUND) {
docsEnum =
termsEnum.docs(slowAtomicReader.getLiveDocs(), docsEnum, DocsEnum.FLAG_NONE);
expectedResult.set(docsEnum.nextDoc());
mockScorer.scores = entry.getValue();
expectedTopDocsCollector.collect(docsEnum.docID());
} else if (seekStatus == TermsEnum.SeekStatus.END) {
break;
}
}
}
}
assertBitSet(actualResult, expectedResult, searcher);
assertTopDocs(actualTopDocsCollector.topDocs(), expectedTopDocsCollector.topDocs());
}
indexReader.close();
directory.close();
}